Hi Bill,
My grandmother etc. were all Voice. Seemed to change to Voyce about 1900. The first one I have found that seems to belong is William Voice b. 12.01.1772 in Longhope. (Married Elizabeth Anderson on 18,19,1790. Is this your family:

I would love to be wandering around the Forest of Dean instead of trying to put the pieces together from Queensland, Australia.
Karen